---
type: "Bill"
title: "Allows evidence of failure to wear a seatbelt to prove comparative negligence, causation, absence of defect, and failure to mitigate damages"
description: "Allows evidence of failure to wear a seatbelt to prove comparative negligence, causation, absence of defect, and failure to mitigate damages"
jurisdiction: "us/states/mo"
legislature: "Missouri General Assembly"
session: "2019"
identifier: "SB 30"
citation: "Missouri SB 30 (2019)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hegeman"]
version_count: 6
action_count: 31
vote_count: 0
first_action: "2018-12-01T06:00:00+00:00"
last_action: "2019-07-10T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/6f909a68-a9bb-4dd1-9b54-6f2262c5103c"
source_url: "http://www.senate.mo.gov/19info/BTS_Web/Actions.aspx?SessionType=R&BillID=22"
source_hash: "73cf7c348178043eecd63de97cff5696dbea1bbf09206c2a4b1069aebcd45ba7"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mo"]
---

# Missouri SB 30 (2019) — Allows evidence of failure to wear a seatbelt to prove comparative negligence, causation, absence of defect, and failure to mitigate damages

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](https://www.senate.mo.gov/19info/pdf-bill/intro/SB30.pdf)
2. **0420S.05F - SS SCS Adopted, as amended** (committee substitute) — [source](http://www.senate.mo.gov/19info/BTS_Web/ShowAmendment.aspx?Id=1969)
3. **0420S05.02S - SSA 1 SA 1 SS SCS Adopted** (committee substitute) — [source](http://www.senate.mo.gov/19info/BTS_Web/ShowAmendment.aspx?Id=1971)
4. **Perfected** (committee substitute) — [source](https://www.senate.mo.gov/19info/pdf-bill/perf/SB30.pdf)
5. **Senate Committee Substitute** (committee substitute) — [source](https://www.senate.mo.gov/19info/pdf-bill/comm/SB30.pdf)
6. **Truly Agreed To and Finally Passed** (committee substitute) — [source](https://www.senate.mo.gov/19info/pdf-bill/tat/SB30.pdf)

## Sponsors

- Hegeman — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2018-12-01T06:00:00+00:00** Prefiled
- **2019-01-09T06:00:00+00:00** S First Read--SB 30-Hegeman `reading-1`
- **2019-01-17T06:00:00+00:00** Second Read and Referred S Government Reform Committee `reading-2, referral-committee`
- **2019-02-05T06:00:00+00:00** Hearing Conducted S Government Reform Committee
- **2019-02-12T06:00:00+00:00** SCS Voted Do Pass S Government Reform Committee (0420S.04C) `committee-passage`
- **2019-02-14T06:00:00+00:00** SCS Reported from S Government Reform Committee
- **2019-02-19T06:00:00+00:00** Bill Placed on Informal Calendar
- **2019-03-06T06:00:00+00:00** SS for SCS S offered (Hegeman)--(0420S.05F)
- **2019-03-06T06:00:00+00:00** SA 1 to SS for SCS S offered (Schupp)--(0420S05.01F)
- **2019-03-06T06:00:00+00:00** SSA 1 for SA 1 to SS for SCS S offered & adopted (Hegeman)--(0420S05.02S)
- **2019-03-06T06:00:00+00:00** SS for SCS, as amended, S adopted `passage`
- **2019-03-06T06:00:00+00:00** Perfected
- **2019-03-06T06:00:00+00:00** Reported Truly Perfected S Rules, Joint Rules, Resolutions and Ethics Committee
- **2019-03-07T06:00:00+00:00** S Third Read and Passed `passage, reading-3`
- **2019-03-07T06:00:00+00:00** H First Read `reading-1`
- **2019-03-11T05:00:00+00:00** H Second Read `reading-2`
- **2019-03-27T05:00:00+00:00** Referred H Judiciary `referral-committee`
- **2019-04-09T05:00:00+00:00** Hearing Conducted H Judiciary
- **2019-04-16T05:00:00+00:00** Voted Do Pass H Judiciary `committee-passage`
- **2019-04-17T05:00:00+00:00** Reported Do Pass H Judiciary `committee-passage`
- **2019-04-17T05:00:00+00:00** Referred H Rules - Administrative Oversight `referral-committee`
- **2019-04-25T05:00:00+00:00** Voted Do Pass H Rules - Administrative Oversight `committee-passage`
- **2019-04-25T05:00:00+00:00** Reported Do Pass H Rules - Administrative Oversight `committee-passage`
- **2019-04-30T05:00:00+00:00** Bill Placed on Informal Calendar
- **2019-04-30T05:00:00+00:00** H Third Read and Passed `passage, reading-3`
- **2019-04-30T05:00:00+00:00** Truly Agreed To and Finally Passed `passage`
- **2019-05-29T05:00:00+00:00** Reported Duly Enrolled Rules, Joint Rules, Resolutions & Ethics Committee
- **2019-05-29T05:00:00+00:00** Signed by Senate President Pro Tem
- **2019-05-29T05:00:00+00:00** Signed by House Speaker
- **2019-05-29T05:00:00+00:00** Delivered to Governor
- **2019-07-10T05:00:00+00:00** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6f909a68-a9bb-4dd1-9b54-6f2262c5103c`. Confidence: reported (aggregated from official Missouri legislature records).